<ul class="hgm-list-group">
<li class="hgm-list-group__item">An item</li>
<li class="hgm-list-group__item">A second item</li>
<li class="hgm-list-group__item active" aria-current="true">A third item</li>
<li class="hgm-list-group__item">A fourth item</li>
<li class="hgm-list-group__item">And a fifth one</li>
</ul>
<ul class="hgm-list-group">
<li class="hgm-list-group__item">An item</li>
<li class="hgm-list-group__item">A second item</li>
<li class="hgm-list-group__item active" aria-current="true">A third item</li>
<li class="hgm-list-group__item">A fourth item</li>
<li class="hgm-list-group__item">And a fifth one</li>
</ul>
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The list group can be converted to multi-column via combination of css classes and data-attributes.